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What size wire for 500 amps

You must use the correct size wire for the current (load) requirement of the circuit to prevent the wire from overheating. Usually, a general purpose house circuit is designed for 20 amps. Lighting circuits , , , , , , The following wire size chart is intended to be a general guide for wire size and amp ratings. WARNING! Installation of electrical wire can be hazardous, if done improperly, can result in personal injury or property damage Wire Size and Amp Ratings.

Copper Wire Size. Selection for Long Runs. 25'. Volt, Single Phase, Max 3% Voltage Drop*. Length of Run. '. Amp Load. Wire size. Assigned maximum ampere rating. AWG or kcmil mm2. A. I have a chiller that needs Amps. It is actually drawing amps. I think i need MCM. IS that right? Also if i was to parallel this would i.